CN115326380A - Steam thermal state test device for valve - Google Patents
Steam thermal state test device for valve Download PDFInfo
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- CN115326380A CN115326380A CN202210952537.2A CN202210952537A CN115326380A CN 115326380 A CN115326380 A CN 115326380A CN 202210952537 A CN202210952537 A CN 202210952537A CN 115326380 A CN115326380 A CN 115326380A
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 claims abstract description 76
- 230000001105 regulatory effect Effects 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 239000000498 cooling water Substances 0.000 claims description 13
- 230000003584 silencer Effects 0.000 claims description 5
- 239000008400 supply water Substances 0.000 claims description 5
- 208000028659 discharge Diseases 0.000 description 10
- 238000007599 discharging Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/024—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a steam thermal state testing device for a valve, which comprises: a steam supply assembly; the temperature reduction assembly is arranged at the output end of the steam supply assembly; the pressure adjusting assembly is arranged at the output end of the cooling assembly; the output end of the pressure regulating assembly is used for being connected with the input end of a valve to be tested; the pre-valve parameter detection assembly is arranged on a pipeline between the pressure adjusting assembly and the valve to be tested and is used for detecting the pre-valve parameters of the valve; the steam discharge processing assembly is connected with the output end of the valve to be tested and is used for processing the steam discharge; and the post-valve parameter detection assembly is arranged between the required test valve and the steam discharge processing assembly and is used for detecting the post-valve parameters of the valve. Adopt steam as experimental medium in this scheme, adjust the temperature and the medium pressure of valve test through pressure regulating assembly, cooling subassembly etc for the actual operating condition use is pressed close to more in the valve test, increases the accuracy of valve test.
Description
Technical Field
The invention belongs to the field of valve performance testing, and particularly relates to a steam thermal state testing device for a valve.
Background
The high-temperature steam is a common control medium of the valve, after the valve is produced, the high-temperature steam is required to be used for testing the thermal state performance of the valve, and the high-temperature steam is used as one of the judgment standards for whether the valve is qualified or not according to the performance test result.
At present, the medium of the equipment for carrying out the thermal state test on the valve is water, the equipment structure is complex, and the defects of large deviation of a thermal state test result, high required cost and the like exist.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a steam thermal state testing device for a valve, which uses steam as a medium to test the thermal state performance of the valve.
In order to achieve the above and other related objects, the present invention provides a steam thermal state testing apparatus for a valve, comprising:
the steam supply assembly is used for providing steam for the thermal state test of the valve;
the temperature reduction assembly is arranged at the output end of the steam supply assembly and is used for reducing the temperature of the steam output by the steam supply assembly to a required value;
the pressure adjusting component is arranged at the output end of the cooling component and is used for adjusting the steam pressure of the cooled cooling component to a test pressure value; the output end of the pressure regulating assembly is used for being connected with the input end of a valve to be tested;
the pre-valve parameter detection assembly is arranged on a pipeline between the pressure adjusting assembly and the valve to be tested and is used for detecting the pre-valve parameters of the valve;
the steam discharge processing assembly is connected with the output end of the valve to be tested and is used for processing the steam discharge;
and the parameter detection assembly behind the valve is arranged between the required test valve and the steam emission treatment assembly and used for detecting the parameter behind the valve of the valve.
Optionally, the steam supply assembly includes a boiler, a first stop valve and a flow regulating valve are disposed on an output end pipeline of the boiler, and an output end of the flow regulating valve is connected to the cooling assembly.
Optionally, a first pressure detection element is arranged on a pipeline between the output end of the flow regulating valve and the cooling assembly.
Optionally, the cooling assembly includes a cooling water supply water pump and a desuperheater, the desuperheater includes a cooling water input end, a gas input end and a gas output end, the cooling water input end of the desuperheater is connected with the supply water pump through a pipeline, the gas input end of the desuperheater is connected with the output end of the steam supply assembly, and the gas output end of the desuperheater is connected with the input end of the pressure regulating assembly.
Optionally, the pressure regulating assembly includes a first pressure regulating valve, an input end of the first pressure regulating valve is connected to an output end of the temperature reducing assembly, and an output end of the first pressure regulating valve is used for being connected to an input end of the test valve.
Optionally, a pipeline between the output end of the temperature reduction assembly and the first pressure regulating valve is communicated with an exhaust pipe, and a pressure relief valve is arranged on the exhaust pipe.
Optionally, a first drain pipe is communicated with a pipeline between the output end of the temperature reduction assembly and the first pressure regulating valve, a first condensed water discharge valve is arranged on the first drain pipe, a first water tank is arranged at the output end of the first drain pipe, and the output end of the first drain pipe is located in the first water tank.
Optionally, the pre-valve parameter detection assembly comprises a second pressure detection element and a temperature detection element; the post-valve parameter detection assembly comprises a third pressure detection element and a flow detection assembly.
Optionally, the flow detection assembly includes a first flow detection branch and a second flow detection branch, and the first flow detection branch and the second flow detection branch are arranged in parallel between the output end of the valve to be detected and the input end of the steam discharge processing assembly; along the steam input-output direction, a flow detection switching valve and a flow meter are sequentially arranged on the first flow detection branch and the second flow detection branch respectively.
Optionally, the flow detection assembly includes a water sprayer and a silencer, an input end of the water sprayer is connected with an output end of the flow detection assembly, the silencer is disposed on a pipeline at an output end of the water sprayer, a second drain pipe is further communicated with the pipeline at the output end of the water sprayer, a second condensed water discharge valve is disposed on the second drain pipe, a second water tank is disposed at an output end of the second drain pipe, and an output end of the second drain pipe is located in the second water tank.
As mentioned above, the steam thermal state testing device for the valve has the following beneficial effects:
in this scheme, the valve is installed before the valve between parameter detection subassembly and the valve back parameter detection subassembly, provides steam through steam supply subassembly, and the processing of cooling down is carried out steam through the cooling subassembly, adjusts through pressure regulating assembly after the test pressure has been adjusted, carries out the collection of valve test parameter through parameter detection subassembly before the valve and valve back pressure detection subassembly to follow-up valve performance analysis carries out according to test parameter. The steam from the valve is treated by the steam discharge treating component and then discharged to the outside.
It is worth explaining that in this scheme, adopt steam as experimental medium, adjust the temperature and the medium pressure of valve test through pressure regulating assembly, cooling subassembly etc for the valve test is close to actual operating condition more and is used, increases the accuracy of valve test.
Drawings
Fig. 1 is a schematic structural diagram of a steam thermal state testing device for a valve in an embodiment of the invention.
Detailed Description
Reference numerals in the drawings of the specification include: the system comprises a boiler 1, a first stop valve 2, a flow rate regulating valve 3, a first pressure detecting element 4, a desuperheater 5, a cooling water supply water pump 6, a second stop valve 7, a desuperheating water regulating valve 8, a one-way valve 9, a pressure relief valve 10, a first condensed water discharge valve 11, a first water tank 12, a first pressure regulating valve 13, a second pressure detecting element 14, a temperature detecting element 15, a valve 16, a first flow rate detecting switching valve 17, a first flowmeter 18, a control box 19, a third pressure detecting element 20, a second flow rate detecting switching valve 21, a second flowmeter 22, a data acquisition module 23, a second pressure regulating valve 24, a water sprayer 25, a second water tank 26, a second condensed water discharge valve 27 and a silencer 28.
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The application provides a steam thermal test device for valve, refer to figure 1. The arrows in the figure point in the direction of the water flow.
In an exemplary embodiment, there is provided a steam thermal state testing apparatus for a valve, including:
a steam supply assembly for providing steam for the thermal state testing of the valve 16;
the temperature reduction assembly is arranged at the output end of the steam supply assembly and is used for reducing the temperature of the steam output by the steam supply assembly to a required value;
the pressure adjusting component is arranged at the output end of the cooling component and is used for adjusting the steam pressure of the cooled cooling component to a test pressure value; the output end of the pressure regulating assembly is used for being connected with the input end of a valve 16 to be tested;
the pre-valve parameter detection assembly is arranged on a pipeline between the pressure adjusting assembly and the valve 16 to be tested and is used for detecting pre-valve parameters of the valve 16;
the steam discharge treatment component is connected with the output end of the valve 16 to be tested and is used for treating the steam discharge;
and the post-valve parameter detection assembly is arranged between the required test valve 16 and the steam discharge treatment assembly and is used for detecting the post-valve parameter of the valve 16.
In this embodiment, the valve 16 is installed before the valve between parameter detection subassembly and the valve back parameter detection subassembly, provides steam through steam supply subassembly, carries out cooling treatment to steam through the cooling subassembly, adjusts test pressure through the pressure regulating subassembly, after adjusting, carries out the collection of valve 16 test parameter through parameter detection subassembly before the valve and the pressure detection subassembly behind the valve to follow-up carry out valve 16 performance analysis according to test parameter. The steam discharged from the valve 16 is treated by the steam discharge treating assembly and then discharged to the outside.
It is worth explaining that in this scheme, adopt steam as experimental medium, adjust the temperature and the medium pressure of valve 16 test through pressure adjustment subassembly, cooling subassembly etc. for valve 16 test environment more is close to actual operating condition, increases the accuracy of valve 16 test.
In an exemplary embodiment, the steam supply assembly comprises a boiler 1, a first stop valve 2 and a flow regulating valve 3 are arranged on an output pipeline of the boiler 1, and an output end of the flow regulating valve 3 is connected with the temperature reduction assembly.
Illustratively, when in use, the first stop valve 2 is closed to prevent steam from entering the cooling assembly before the steam is insufficient. The boiler 1 is then heated so that the water in the boiler 1 becomes steam. And then the first stop valve 2 is opened, so that the steam enters the temperature reduction assembly, and the flow of the output steam is adjusted through the flow adjusting valve 3.
In an exemplary embodiment, a first pressure detection element 4 is provided on the conduit between the output of the flow control valve 3 and the temperature reducing assembly.
In the present embodiment, the flow rate of the steam output from the boiler 1 is detected by the arrangement of the first pressure detecting element 4.
In an exemplary embodiment, the temperature reduction assembly comprises a cooling water supply pump 6 and a desuperheater 5, the desuperheater 5 comprises a cooling water input end, a gas input end and a gas output end, the cooling water input end of the desuperheater 5 is connected with the supply pump through a pipeline, the gas input end of the desuperheater 5 is connected with the output end of the steam supply assembly, and the gas output end of the desuperheater 5 is connected with the input end of the pressure regulating assembly.
In this embodiment, the temperature of the steam passing through the desuperheater 5 is reduced by pumping water into the desuperheater 5 at a water pump.
Illustratively, a second stop valve 7, a desuperheating water regulating valve 8 and a check valve 9 are provided in this order along the water intake direction on the pipe between the cooling water supply pump 6 and the desuperheater 5. When cooling water is required to be introduced into the desuperheater 5 to cool the steam, the stop valve is opened, and the introduced water amount is controlled by the desuperheating water regulating valve 8, so that the purpose of controlling the temperature of the desuperheater 5 is achieved. The setting of check valve 9 avoids rivers backward flow.
In an exemplary embodiment, the pressure regulating assembly includes a first pressure regulating valve 13, an input of the first pressure regulating valve 13 being connected to an output of the temperature reduction assembly, and an output of the first pressure regulating valve 13 being adapted to be connected to an input of a test valve 16.
In the present embodiment, the first pressure regulating valve 13 is provided to achieve adjustment of the pre-valve pressure.
In an exemplary embodiment, a duct between the output end of the temperature reducing assembly and the first pressure regulating valve 13 is communicated with an exhaust pipe, and the exhaust pipe is provided with a pressure relief valve 10.
In this embodiment, the pressure relief valve 10 is provided to control the pressure value in the pipeline, so as to avoid the excessive air pressure.
In an exemplary embodiment, a first drain pipe is communicated with a pipeline between the output end of the temperature reduction assembly and the first pressure regulating valve 13, a first condensed water discharge valve 11 is arranged on the first drain pipe, a first water tank 12 is arranged at the output end of the first drain pipe, and the output end of the first drain pipe is positioned in the first water tank 12.
It is worth to be noted that, because the steam is easy to generate condensed water during the cooling process, the arrangement of the first drainage pipe facilitates the condensed water to go out, and the condensed water is prevented from passing through the valve 16 to be tested to influence the test result of the valve 16.
In an exemplary embodiment, the pre-valve parameter sensing assembly includes a second pressure sensing element 14 and a temperature sensing element 15; the post-valve parameter sensing assembly includes a third pressure sensing element 20 and a flow sensing assembly.
In the present embodiment, the second pressure detecting element 14 and the temperature detecting element 15 are provided to realize the detection of the pressure and the temperature before the valve, and the third pressure detecting element 20 and the flow rate detecting assembly are provided to realize the detection of the pressure and the flow rate after the valve.
In an exemplary embodiment, the flow detection assembly includes a first flow detection branch and a second flow detection branch, which are arranged in parallel between the output end of the desired detection valve 16 and the input end of the vapor discharge processing assembly; along steam input to output direction, flow detection diverter valve and flowmeter are set gradually respectively on first flow detection branch road and the second flow detection branch road.
In this embodiment, the first flow detection branch is used for performing large flow detection, the second flow detection branch is used for performing small flow detection, and the flow meters on the first flow detection branch and the second flow detection branch have inconsistent detection strokes.
For example, the flow rate detection switching valve on the first flow rate detection branch is referred to as a first flow rate detection switching valve 17, and the flow meter on the first flow rate detection branch is referred to as a first flow meter 18. The flow rate detection switching valve in the second flow rate detection branch is referred to as a second flow rate detection switching valve 21, and the flow meter in the second flow rate detection branch is referred to as a second flow meter 22.
In an exemplary embodiment, the flow detecting assembly includes a water sprayer 25 and a muffler 28, an input end of the water sprayer 25 is connected with an output end of the flow detecting assembly, the muffler 28 is disposed on a pipeline at an output end of the water sprayer 25, and a second water discharging pipe is further communicated with the pipeline at the output end of the water sprayer 25, a second condensed water discharging valve 27 is disposed on the second water discharging pipe, an output end of the second water discharging pipe is disposed on the second water tank 26, and an output end of the second water discharging pipe is located in the second water tank 26.
In this embodiment, the temperature of the steam discharged into the air is prevented from being too high by introducing water into the water sprayer 25 to cool the steam. The second drain pipe and the second drain groove are arranged, so that the water output by the water sprayer 25 can be conveniently drained through the second drain pipe. And the steam cooled by the water sprayer 25 is discharged into the outside air after passing through the muffler 28, and the muffler 28 is arranged to reduce noise.
Illustratively, the first pressure detecting element 4, the second pressure detecting element 14, and the third pressure detecting element 20 are all pressure sensors. The temperature detecting element is a temperature sensor.
Illustratively, the data acquisition module 23 is connected to the first pressure detecting element 4, the second pressure detecting element 14, the third pressure detecting element 20 and the temperature detecting element 15, and the data acquisition module 23 may be an existing controller such as a PLC. The controller is connected with a control circuit which is arranged in the control box 19.
In an exemplary embodiment, a second pressure regulating valve 24 is provided between the post-valve parameter sensing assembly and the vapor discharge treating assembly to control the post-valve pressure of the valve 16.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a steam thermal test device for valve which characterized in that includes:
the steam supply assembly is used for providing steam for the thermal state test of the valve;
the temperature reduction assembly is arranged at the output end of the steam supply assembly and is used for reducing the temperature of the steam output by the steam supply assembly to a required value;
the pressure adjusting component is arranged at the output end of the cooling component and is used for adjusting the steam pressure of the cooled cooling component to a test pressure value; the output end of the pressure regulating assembly is used for being connected with the input end of a valve to be tested;
the pre-valve parameter detection assembly is arranged on a pipeline between the pressure adjusting assembly and the valve to be tested and is used for detecting the pre-valve parameters of the valve;
the steam discharge processing assembly is connected with the output end of the valve to be tested and is used for processing the steam discharge;
and the post-valve parameter detection assembly is arranged between the required test valve and the steam discharge processing assembly and is used for detecting the post-valve parameters of the valve.
2. The thermal state testing device for the steam for the valve as claimed in claim 1, wherein the steam supply assembly comprises a boiler, a first stop valve and a flow regulating valve are arranged on an output pipeline of the boiler, and an output end of the flow regulating valve is connected with the cooling assembly.
3. The steam thermal state testing device for the valve according to claim 2, wherein a first pressure detection element is arranged on a pipeline between the output end of the flow regulating valve and the cooling assembly.
4. The steam thermal state testing device for the valve according to claim 1, wherein the temperature reduction assembly comprises a cooling water supply water pump and a desuperheater, the desuperheater comprises a cooling water input end, a gas input end and a gas output end, the cooling water input end of the desuperheater is connected with the cooling water supply water pump through a pipeline, the gas input end of the desuperheater is connected with the output end of the steam supply assembly, and the gas output end of the desuperheater is connected with the input end of the pressure adjusting assembly.
5. The steam thermal state testing device for the valve as claimed in claim 1, wherein the pressure regulating assembly comprises a first pressure regulating valve, an input end of the first pressure regulating valve is connected with an output end of the temperature reducing assembly, and an output end of the first pressure regulating valve is used for being connected with an input end of the testing valve.
6. The thermal state testing device for the steam used for the valve according to claim 5, wherein a pipeline between the output end of the temperature reduction assembly and the first pressure regulating valve is communicated with an exhaust pipe, and the exhaust pipe is provided with a pressure relief valve.
7. The steam thermal state testing device for the valve according to claim 5, wherein a first drainage pipe is communicated with a pipeline between the output end of the temperature reduction assembly and the first pressure regulating valve, a first condensed water discharge valve is arranged on the first drainage pipe, a first water tank is arranged at the output end of the first drainage pipe, and the output end of the first drainage pipe is positioned in the first water tank.
8. The steam thermal state testing device for the valve according to claim 1, wherein the pre-valve parameter detection assembly comprises a second pressure detection element and a temperature detection element; the post-valve parameter detection assembly comprises a third pressure detection element and a flow detection assembly.
9. The thermal state testing device for the steam for the valve according to claim 8, wherein the flow detection assembly comprises a first flow detection branch and a second flow detection branch, and the first flow detection branch and the second flow detection branch are arranged between the output end of the required detection valve and the input end of the steam discharge processing assembly in parallel; and a flow detection switching valve and a flow meter are sequentially arranged on the first flow detection branch and the second flow detection branch along the steam input-output direction.
10. The steam thermal state testing device for the valve according to claim 1, wherein the flow detection assembly comprises a water sprayer and a silencer, an input end of the water sprayer is connected with an output end of the flow detection assembly, the silencer is arranged on a pipeline of the output end of the water sprayer, a second drain pipe is further communicated with the pipeline of the output end of the water sprayer, a second condensed water discharge valve is arranged on the second drain pipe, a second water tank is arranged at an output end of the second drain pipe, and an output end of the second drain pipe is located in the second water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952537.2A CN115326380A (en) | 2022-08-09 | 2022-08-09 | Steam thermal state test device for valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952537.2A CN115326380A (en) | 2022-08-09 | 2022-08-09 | Steam thermal state test device for valve |
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| CN115326380A true CN115326380A (en) | 2022-11-11 |
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| CN202210952537.2A Pending CN115326380A (en) | 2022-08-09 | 2022-08-09 | Steam thermal state test device for valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116793431A (en) * | 2023-08-29 | 2023-09-22 | 上海溱湖新能源科技有限公司 | Steam condensate water discharger monitoring system based on Internet of things |
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| CN116793431A (en) * | 2023-08-29 | 2023-09-22 | 上海溱湖新能源科技有限公司 | Steam condensate water discharger monitoring system based on Internet of things |
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